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Standard User Banger
(eat-sleep-adslguide) Fri 16-Jan-15 19:32:10
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Line card selecting G.DMT instead of ADSL2+


[link to this post]
 
My sync dropped at 4am and came back from 18mbit to 8 mbit G.DMT. Any ideas? I have unchecked the G.DMT box in the router settings but I am really puzzled why it went back to G.DMT when ADSL2+ was available. Thoughts? Never happened on LLU.

Tim
www.vivaciti.net & freenetname
Billion 7800 on 24 Meg Enta
http://www.thinkbroadband.com/speedtest/results.html...
Standard User XRaySpeX
(eat-sleep-adslguide) Mon 19-Jan-15 23:51:10
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Re: Line card selecting G.DMT instead of ADSL2+


[re: Banger] [link to this post]
 
Is this on a BTw connection? If so, did upstream go to ADSL Max value of 448K or stay around its normal c.1 Meg?

1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC
Standard User Banger
(eat-sleep-adslguide) Tue 20-Jan-15 01:11:14
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Re: Line card selecting G.DMT instead of ADSL2+


[re: XRaySpeX] [link to this post]
 
Yes it is a BTw connection now and downloads were around 380 kbps, but it went into ADSL1 mode so not sure what the upload limit is for this protocol, think it is 448.

Tim
www.vivaciti.net & freenetname
Billion 7800 on 24 Meg Enta
http://www.thinkbroadband.com/speedtest/results.html...


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Administrator MrSaffron
(staff) Wed 21-Jan-15 15:56:17
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Re: Line card selecting G.DMT instead of ADSL2+


[re: Banger] [link to this post]
 
Can you force it to use ADSL2+ mode?

Limit of ADSL protocol is over 832Kbps, but ADSL as sold by BT Wholesale usually limited to 448 Kbps upstream, unless paying for Premium access.

If its 21CN ADSL2+ line, and you get capped to ADSL mode then probably DLM banding has kicked in. Pester ISP time, if there is no fault on the line to get the DLM reset.

The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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